I could shudder you could shudder he could shudder we could shudder you could shudder they could shudder
Forme en V-ing
I could be shuddering you could be shuddering he could be shuddering we could be shuddering you could be shuddering they could be shuddering
Perfect
I could have shuddered you could have shuddered he could have shuddered we could have shuddered you could have shuddered they could have shuddered
Perfect en V-ing
I could have been shuddering you could have been shuddering he could have been shuddering we could have been shuddering you could have been shuddering they could have been shuddering
Négation
Forme simple
I couldn't shudder you couldn't shudder he couldn't shudder we couldn't shudder you couldn't shudder they couldn't shudder
Forme en V-ing
I couldn't be shuddering you couldn't be shuddering he couldn't be shuddering we couldn't be shuddering you couldn't be shuddering they couldn't be shuddering
Perfect
I couldn't have shuddered you couldn't have shuddered he couldn't have shuddered we couldn't have shuddered you couldn't have shuddered they couldn't have shuddered
Perfect en V-ing
I couldn't have been shuddering you couldn't have been shuddering he couldn't have been shuddering we couldn't have been shuddering you couldn't have been shuddering they couldn't have been shuddering
Forme interrogative
Forme simple
could I shudder? could you shudder? could he shudder? could we shudder? could you shudder? could they shudder?
Forme en V-ing
could I be shuddering? could you be shuddering? could he be shuddering? could we be shuddering? could you be shuddering? could they be shuddering?
Perfect
could I have shuddered? could you have shuddered? could he have shuddered? could we have shuddered? could you have shuddered? could they have shuddered?
Perfect en V-ing
could I have been shuddering? could you have been shuddering? could he have been shuddering? could we have been shuddering? could you have been shuddering? could they have been shuddering?
Forme interro-négative
Forme simple
couldn't I shudder? couldn't you shudder? couldn't he shudder? couldn't we shudder? couldn't you shudder? couldn't they shudder?
Forme en V-ing
couldn't I be shuddering? couldn't you be shuddering? couldn't he be shuddering? couldn't we be shuddering? couldn't you be shuddering? couldn't they be shuddering?
Perfect
couldn't I have shuddered? couldn't you have shuddered? couldn't he have shuddered? couldn't we have shuddered? couldn't you have shuddered? couldn't they have shuddered?
Perfect en V-ing
couldn't I have been shuddering? couldn't you have been shuddering? couldn't he have been shuddering? couldn't we have been shuddering? couldn't you have been shuddering? couldn't they have been shuddering?